PUBLICATION: Collusion-free policy-based encryption
© Springer. Personal use of this material is permitted. The definitive version of this paper was published in ISC 2006, 9th International Conference on Information Security, August 30-September 2, 2006, Samos, Greece / Also published in Lecture Notes in Computer Science, Volume 4176 and is available at : http://dx.doi.org/10.1007/11836810_17
